China’s ‘artificial star’ fusion reactor is setting records

China’s ‘artificial star’ fusion reactor is setting records

Assessment

Interactive Video

Science, Other, Physics, Chemistry

11th Grade - University

Hard

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The video explains the process of hydrogen fusion, which is eight times hotter than the sun, and how scientists are attempting to replicate this process on Earth. It describes the sun's role in facilitating fusion through high-speed hydrogen nuclei collisions. The video also covers the use of magnetic coils to stabilize hydrogen plasma and the need to heat the plasma to increase collision chances. A record plasma temperature of 120 million degrees Celsius was achieved for 101 seconds.

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5 questions

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1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the primary reason the sun can generate massive amounts of energy?

Its high-speed rotation

Its ability to compress hydrogen

Its large size and mass

Its distance from Earth

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

How does the experimental setup in China contain the hydrogen plasma?

By using high-pressure chambers

By using chemical reactions

By using gravitational forces

By using magnetic coils

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What process is used to form plasma in the experimental setup?

Compressing hydrogen atoms

Combining hydrogen with oxygen

Stripping electrons from hydrogen atoms

Cooling hydrogen atoms

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Why must the particles in the experimental setup be heated more than in the sun?

To increase the speed of rotation

To reduce the size of the plasma

To increase the chances of collisions

To decrease the energy output

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What record did the experimental setup achieve in May?

Reaching a plasma temperature of 120,000,000 degrees Celsius

Maintaining plasma for 200 seconds

Creating a new type of plasma

Generating energy equal to the sun